8505085012 has 24 divisors (see below), whose sum is σ = 15037268904. Its totient is φ = 4208934912.

The previous prime is 8505085009. The next prime is 8505085037. The reversal of 8505085012 is 2105805058.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5540718096 + 2964366916 = 74436^2 + 54446^2 .

It is a super-3 number, since 3×8505085012³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135048 + ... + 187744.

It is an arithmetic number, because the mean of its divisors is an integer number (626552871).

Almost surely, 2^8505085012 is an apocalyptic number.

It is an amenable number.

8505085012 is a deficient number, since it is larger than the sum of its proper divisors (6532183892).

8505085012 is a wasteful number, since it uses less digits than its factorization.

8505085012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53115 (or 53113 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 8505085012 is about 92223.0177992458. The cubic root of 8505085012 is about 2041.2344358154.

The spelling of 8505085012 in words is "eight billion, five hundred five million, eighty-five thousand, twelve".